Как исправить разрешенное состояние в Apache Felix?

Question

это коды и ошибка выглядит как ...

g! lb 
START LEVEL 1
 ID|State  |Level|Name 
  0|Active |    0|System Bundle (4.0.3)
  1|Active |    1|Apache Felix Bundle Repository (1.6.6) 
  2|Active |    1|Apache Felix Gogo Command (0.12.0) 
  3|Active |    1|Apache Felix Gogo Runtime (0.10.0)
  4|Active |    1|Apache Felix Gogo Shell (0.10.0)
  6|Installed | 1|Service Tracker-based dictionary client (1.0.0)
  7|Installed | 1|English dictionary (1.0.0) 
g! start 7 
org.osgi.framework.BundleException: Activator start error in bundle \[7\]. 
at org.apache.felix.framework.Felix.activateBundle(Felix.java:2027) 
at org.apache.felix.framework.Felix.startBundle(Felix.java:1895) 
at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:944) 
at org.apache.felix.gogo.command.Basic.start(Basic.java:729) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
at java.lang.reflect.Method.invoke(Unknown Source) 
at org.apache.felix.gogo.runtime.Reflective.invoke(Reflective.java:137) 
at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82) 
at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:477) 
at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:403) 
at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) 
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183) 
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120) 
at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89) 
at org.apache.felix.gogo.shell.Console.run(Console.java:62) 
at org.apache.felix.gogo.shell.Shell.console(Shell.java:203) 
at org.apache.felix.gogo.shell.Shell.gosh(Shell.java:128) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
at java.lang.reflect.Method.invoke(Unknown Source) 
at org.apache.felix.gogo.runtime.Reflective.invoke(Reflective.java:137) 
at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82) 
at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:477) 
at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:403) 
at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) 
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183) 
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120) 
at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89) 
at org.apache.felix.gogo.shell.Activator.run(Activator.java:75)
 at java.lang.Thread.run(Unknown Source) 
Caused by: 
java.lang.UnsupportedClassVersionError: tutorial/example2/Activator has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0 
at java.lang.ClassLoader.defineClass1(Native Method) 
at java.lang.ClassLoader.defineClass(Unknown Source) 
at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.findClass(BundleWiringImpl.java:2128) 
at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1432) 
at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72) 
at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843) 
at java.lang.ClassLoader.loadClass(Unknown Source) 
at org.apache.felix.framework.BundleWiringImpl.getClassByDelegation(BundleWiringImpl.java:1317) 
at org.apache.felix.framework.Felix.createBundleActivator(Felix.java:4170) 
at org.apache.felix.framework.Felix.activateBundle(Felix.java:1972) 
... 32 more java.lang.UnsupportedClassVersionError:

tutorial/example2/Activator has been compiled by a more recent version of the Java Runtime (class file version 53.0),

this version of the Java Runtime only recognizes class file versions up to 52.0

Answer 1

Спасибо всем!и спасибо @aschipfl за комментарий. так как я новичок в этом.проблема решена .. что я сделал, это удалил старые версии java.и переустановил новые стабильные версии.проблема заключалась в том, что я собираю классы в новую версию (версию 53), но, к сожалению, поддержка только для версии 52